Characteristics of living things

DO NOW:SEPTEMBER 25  What makes something living?

Is the candle alive?

3 Similarities-3 Differences

All Living Things have NEEDS  Materials-water, oxygen  Energy-food, sun (plants)  Living Space-somewhere to get materials and energy

Living Things have CHARACTERISITCS  Organized-cells, tissues, organs, organ systems, organism  Growth-to become larger  Reproduce-create more, avoid extinction  Environment, Respond-ability to change as the environment changes.

M.E.L. the O.G.R.E

DO NOWSeptember 29  How are living things organized?  Why do living things need to reproduce?  A brown chameleon moves into a tree and changes color to green. What characteristic of living things in this behavior?

The Cell Theory  All living things are made up of one or more cells  Cells carry out all basic life functions  All cells come from other cells

Francisco Redi Believed in spontaneous generation-living things (bacteria) can come from non-living things. Why did he think this?

Louis Pasteur Disproved Redi’s theory of spontaneous generation Developed the process of pasteurization Pasteur's Life

Exit Ticket  How does the theory of spontaneous generation and the cell theory disagree?